BMC Genomics

Table 1 First and second degree statistics of rye testcross progenies

From: Genetic architecture of complex agronomic traits examined in two testcross populations of rye (Secale cereale L.)

Traits	Parental mean		Testcross progenies
Traits	1	2	Mean	σ _G ²	σ _GxE ²	σ _e ²	h²
Pop-A
Plant height [cm]	118.6	118.0	117.9	7.5**	3.4**	8.3	0.87
Yield-related traits:
Grain yield [Mg ha^-1]	8.33	7.95	8.18	0.035**	0.074**	0.077	0.70
TKW [g]	35.3	34.5	34.6	1.0**	0.9**	0.9	0.85
Single ear weight [g]	2.01	2.06	1.98	0.01**	0.01**	0.01	0.63
Quality-related traits:
Test weight [kg]	69.7	70.0	70.2	0.45**	0.4**	0.2	0.88
Falling number [s] ^a	173.3	174.0	171.8	62.2**	124.9**	345.1	0.44
Total pentosan content [%]	10.10	9.89	10.04	0.04**	0.08**	0.04	0.65
Soluble pentosan content [%]	2.29	2.25	2.29	0.002**	0.01**	0.01	0.33
Protein content [%]	9.55	9.53	9.51	0.02**	0.09**	0.06	0.48
Starch content [%]	61.53	61.61	61.62	0.23**	0.23	0.17	0.77
Pop-B
Plant height [cm]	117.4	112.4	115.6	12.0**	4.5**	6.3	0.92
Yield-related traits:
Grain yield [Mg ha^-1]	8.44	7.33	7.82	0.037**	0.087**	0.071	0.70
TKW [g]	35.1	33.8	34.0	0.9**	0.9**	0.8	0.85
Single ear weight [g]	1.93	1.94	1.92	0.003**	0.005**	0.01	0.52
Quality-related traits:
Test weight [kg]	69.9	71.8	70.9	0.8**	0.4**	0.3	0.92
Falling number [s] ^a	185.6	175.2	180.7	35.8**	41.0*	302.9	0.39
Total pentosan content [%]	10.32	10.35	10.30	0.04**	0.09**	0.04	0.63
Soluble pentosan content [%]	2.33	2.18	2.22	0.003**	0.01**	0.01	0.46
Protein content [%]	9.70	10.0	9.81	0.06**	0.08**	0.05	0.74
Starch content [%]	61.40	61.45	61.53	0.44**	0.23	0.14	0.88

Means of parents (1 = Lo115, 2 = Lo90 in Pop-A and Lo117 in Pop-B, respectively) and each of 220 testcross progenies of two populations (Pop-A, Pop-B), estimates of variance components (genotype, σ_G²; genotype x environment interaction, σ_GxE²; error, σ_e²), and entry-mean heritabilities (h²) for agronomic and quality traits evaluated across six to ten environments.
^aAnalysis across 5 environments.

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ISSN: 1471-2164

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